~ 
CYCLOPHORIDZ. 151 
whorls 53, convex, the last one slightly angulated at the peri- 
phery; umbilicus narrow, pervious; aperture oblique, ovate, 
chestnut-coloured within; peristome simple, thin, pale, shortly 
expanded, with nearly contiguous margins. Height 16, greatest 
breadth 22, least br. 18 mill. 
Cyclostoma fulvescens, Sow. in Proc. Z. S. 1843, p. 63; Thes. 
p. 23, n. 99, t. 25, f. 79, 80; Pfr. Ic. n. 30, p. 39, t. 5, f. 10, 11. 
Tropidophora? fulvescens, Gray, Cat. Cycl. p. 41, n. 12. 
Cyclostomus fulvescens, Pfr. Consp.n. 313; Pneum. Mon. p. 215. 
Hab. Madagascar. 
43. CYcLOSTOMUS INSULARIS. 
Shell perforate, globose-conical, rather solid, sculptured with 
crowded, blunt, spiral ridges, rather coarsely decussated with very 
close longitudinal lines, not shining, dirty white, with several 
pale violaceous bands; spire shortly turbinate, rather blunt; 
whorls 5, convex, very slightly crenulate along the suture, last 
sculptured with more raised ridges beneath; aperture scarcely 
oblique, rather angularly roundish; peristome thin, expanded, 
slightly reflexed, with the margins approximate, joined by a 
rather indented callus, upper margin sinuate, left margin nar- 
rower. Height 133, greatest breadth 17, least br. 133 mill. 
Cyclostoma insulare, Pfr. in Proc. Z S. 1851; Ic. n. 368, t. 45, 
Bib; 6: 
Cyclostomus insularis, Pfr. Consp. n. 314, p. 63; Pneum. Mon. 
p. 215. 
Hab. Isle of France. 
44, CYCLOSTOMUS RETICULATUS. 
Shell turbinate, rather thin, marked with indistinct raised spiral 
lines, diaphanous, chestnut-coloured, reticulated irregularly 
with opaque white stripes and speckles; spire turbinate, rather 
pointed ; whorls 5, very convex, enlarging rapidly, last rounded, 
obsoletely grooved spirally within the middle-sized umbilicus; 
aperture little oblique, roundish, slightly angulated; peristume 
rather simple, chestnut-coloured, with the edge white, shortly 
interrupted, with the margins joined by thin callus. Height 13, 
greatest breadth 16, least br. 13 mill. 
Cyclostoma reticulatum, 4. Adams & Reeve, Voy. Samarang, Moll. 
p. 57, t. 14, £. 8; Pfr. Ic. n. 237, t. 34, f. 13-16. 
Cyclostomus reticulatus, Pfr. Consp. nu. 315; Pneum. Mon. p. 216. 
8. Larger; with the spiral striz very obsolete; peristome broader, 
expanded, slightly reflexed; umbilicus wider; height 15, great- 
est breadth 22, least br. 17 mill. 
Hab, Madagascar. 
